Record Warmth Lingers; Fire Weather Concerns; Unsettled Pacific Northwest

More record warm temperatures are forecast this week from California, Southwest, Plains then into the Mississippi Valley and Southeast. The warmth combining with dry conditions may result in elevated to locally critical fire weather conditions. Meanwhile, another Pacific system will move across the Pacific Northwest with lower elevation rain and mountain snows. For Hawaii, conditions improving. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

78°F

26°C

Humidity 90%
Wind Speed NE 10 mph
Barometer 29.81 in (1008.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 23 Mar 7:54 pm ChST
Extended Forecast for

Agat GU

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 75. East northeast wind 11 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    Low: 75 °F

    Scattered
    Showers then
    Heavy Rain

  • Tuesday

    Tuesday: Scattered showers and thunderstorms.  Partly sunny, with a high near 85. East northeast wind 10 to 13 mph.  Chance of precipitation is 40%.

    High: 85 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers.  Mostly cloudy, with a low around 75. East northeast wind 7 to 9 mph.  Chance of precipitation is 30%.

    Low: 75 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers.  Partly sunny, with a high near 86. East northeast wind 8 to 13 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Isolated showers.  Mostly cloudy, with a low around 76. East northeast wind 9 to 13 mph.

    Low: 76 °F

    Isolated
    Showers

  • Thursday

    Thursday: Isolated showers.  Mostly sunny, with a high near 87.

    High: 87 °F

    Isolated
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 76.

    Low: 76 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 75. East northeast wind 11 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. East northeast wind 10 to 13 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 75. East northeast wind 7 to 9 mph. Chance of precipitation is 30%.
Wednesday
Scattered showers. Partly sunny, with a high near 86. East northeast wind 8 to 13 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers. Mostly cloudy, with a low around 76. East northeast wind 9 to 13 mph.
Thursday
Isolated showers. Mostly sunny, with a high near 87.
Thursday Night
Mostly cloudy, with a low around 76.
Friday
Mostly sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 77.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Agat GU
 13.38°N 144.67°E
6:06 pm ChST Mar 23, 2026
8pm ChST Mar 23, 2026-6pm ChST Mar 30, 2026
 
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Additional Resources

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